diff --git a/Makefile b/Makefile
index 27085bf..8c06060 100644
--- a/Makefile
+++ b/Makefile
@@ -5,12 +5,20 @@ regen:
 	make -C testdata regen
 
 .PHONY: check
-check: errcheck
+check: errcheck go-nyet
 	errcheck testdata/out/compress-memcopy.go
 	errcheck testdata/out/compress-nomemcopy.go
 	errcheck testdata/out/debug.go
 	errcheck testdata/out/nocompress-memcopy.go
 	errcheck testdata/out/nocompress-nomemcopy.go
+	go-nyet testdata/out/compress-memcopy.go
+	go-nyet testdata/out/compress-nomemcopy.go
+	go-nyet testdata/out/debug.go
+	go-nyet testdata/out/nocompress-memcopy.go
+	go-nyet testdata/out/nocompress-nomemcopy.go
 
 errcheck:
 	go get github.com/kisielk/errcheck
+
+go-nyet:
+	go get github.com/barakmich/go-nyet
diff --git a/testdata/out/compress-memcopy.go b/testdata/out/compress-memcopy.go
index a132fec..5964ed6 100644
--- a/testdata/out/compress-memcopy.go
+++ b/testdata/out/compress-memcopy.go
@@ -231,8 +231,8 @@ func AssetDir(name string) ([]string, error) {
 		return nil, fmt.Errorf("Asset %s not found", name)
 	}
 	rv := make([]string, 0, len(node.Children))
-	for name := range node.Children {
-		rv = append(rv, name)
+	for childName := range node.Children {
+		rv = append(rv, childName)
 	}
 	return rv, nil
 }
diff --git a/testdata/out/compress-nomemcopy.go b/testdata/out/compress-nomemcopy.go
index 20d1c86..19d5bdc 100644
--- a/testdata/out/compress-nomemcopy.go
+++ b/testdata/out/compress-nomemcopy.go
@@ -241,8 +241,8 @@ func AssetDir(name string) ([]string, error) {
 		return nil, fmt.Errorf("Asset %s not found", name)
 	}
 	rv := make([]string, 0, len(node.Children))
-	for name := range node.Children {
-		rv = append(rv, name)
+	for childName := range node.Children {
+		rv = append(rv, childName)
 	}
 	return rv, nil
 }
diff --git a/testdata/out/debug.go b/testdata/out/debug.go
index e3a2ef2..2538603 100644
--- a/testdata/out/debug.go
+++ b/testdata/out/debug.go
@@ -182,8 +182,8 @@ func AssetDir(name string) ([]string, error) {
 		return nil, fmt.Errorf("Asset %s not found", name)
 	}
 	rv := make([]string, 0, len(node.Children))
-	for name := range node.Children {
-		rv = append(rv, name)
+	for childName := range node.Children {
+		rv = append(rv, childName)
 	}
 	return rv, nil
 }
diff --git a/testdata/out/nocompress-memcopy.go b/testdata/out/nocompress-memcopy.go
index 645bf1f..6111be9 100644
--- a/testdata/out/nocompress-memcopy.go
+++ b/testdata/out/nocompress-memcopy.go
@@ -199,8 +199,8 @@ func AssetDir(name string) ([]string, error) {
 		return nil, fmt.Errorf("Asset %s not found", name)
 	}
 	rv := make([]string, 0, len(node.Children))
-	for name := range node.Children {
-		rv = append(rv, name)
+	for childName := range node.Children {
+		rv = append(rv, childName)
 	}
 	return rv, nil
 }
diff --git a/testdata/out/nocompress-nomemcopy.go b/testdata/out/nocompress-nomemcopy.go
index 52c355d..dcf199d 100644
--- a/testdata/out/nocompress-nomemcopy.go
+++ b/testdata/out/nocompress-nomemcopy.go
@@ -221,8 +221,8 @@ func AssetDir(name string) ([]string, error) {
 		return nil, fmt.Errorf("Asset %s not found", name)
 	}
 	rv := make([]string, 0, len(node.Children))
-	for name := range node.Children {
-		rv = append(rv, name)
+	for childName := range node.Children {
+		rv = append(rv, childName)
 	}
 	return rv, nil
 }
diff --git a/toc.go b/toc.go
index 2169099..65d519c 100644
--- a/toc.go
+++ b/toc.go
@@ -117,8 +117,8 @@ func AssetDir(name string) ([]string, error) {
 		return nil, fmt.Errorf("Asset %%s not found", name)
 	}
 	rv := make([]string, 0, len(node.Children))
-	for name := range node.Children {
-		rv = append(rv, name)
+	for childName := range node.Children {
+		rv = append(rv, childName)
 	}
 	return rv, nil
 }